package com.jh.jingfei;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;

import com.jh.jingfei.login.LoginActivity;
import com.jh.jingfei.main.MainActivity;
import com.lxb.filepicker.utils.StringUtils;
import com.strongloop.android.loopback.RestAdapter;
import com.strongloop.android.loopback.UserRepository;

import org.json.JSONArray;
import org.json.JSONException;

import static com.strongloop.android.loopback.RestAdapter.PROPERTY_ACCESS_TOKEN;
import static com.strongloop.android.loopback.RestAdapter.SHARED_PREFERENCES_NAME;
import static com.strongloop.android.loopback.UserRepository.PROPERTY_CURRENT_USER_ID;

/**
 * An example full-screen activity that shows and hides the system UI (i.e.
 * status bar and navigation/system bar) with user interaction.
 */
public class WelcomeActivity extends AppCompatActivity {
    /**
     * Whether or not the system UI should be auto-hidden after
     * {@link #AUTO_HIDE_DELAY_MILLIS} milliseconds.
     */
    private static final boolean AUTO_HIDE = true;

    /**
     * If {@link #AUTO_HIDE} is set, the number of milliseconds to wait after
     * user interaction before hiding the system UI.
     */
    private static final int AUTO_HIDE_DELAY_MILLIS = 3000;

    /**
     * Some older devices needs a small delay between UI widget updates
     * and a change of the status and navigation bar.
     */
    private static final int UI_ANIMATION_DELAY = 300;
    private final Handler mHideHandler = new Handler();

    private final Handler goToMainHandle = new Handler();

    private View mContentView;

    private final Runnable mHidePart2Runnable = new Runnable() {
        @SuppressLint("InlinedApi")
        @Override
        public void run() {
            // Delayed removal of status and navigation bar

            // Note that some of these constants are new as of API 16 (Jelly Bean)
            // and API 19 (KitKat). It is safe to use them, as they are inlined
            // at compile-time and do nothing on earlier devices.
            mContentView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE
                    | View.SYSTEM_UI_FLAG_FULLSCREEN
                    | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
        }
    };

    private final Runnable mShowPart2Runnable = new Runnable() {
        @Override
        public void run() {
            // Delayed display of UI elements
            ActionBar actionBar = getSupportActionBar();
            if (actionBar != null) {
                actionBar.show();
            }
        }
    };
    private boolean mVisible;
    private final Runnable mHideRunnable = new Runnable() {
        @Override
        public void run() {
            hide();
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_welcome);

        mVisible = true;
//        mControlsView = findViewById(R.id.fullscreen_content_controls);
        mContentView = findViewById(R.id.fullscreen_content);


        // Set up the user interaction to manually show or hide the system UI.
        mContentView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                toggle();
            }
        });


        RestAdapter restAdapter = new RestAdapter(this, "");
        restAdapter.clearAccessToken();

        goToMainHandle.postDelayed(new Runnable() {
            @Override
            public void run() {
                if (token == null
                        || token.length() == 0
                        || userId == null) {
                    Intent intent = new Intent(WelcomeActivity.this, LoginActivity.class);
                    startActivity(intent);
                    finish();
                } else {
                    MyApplication app = (MyApplication) WelcomeActivity.this.getApplication();
                    app.setAccessToken(token);
                    app.setUserId(Long.valueOf("" + userId));

                    Intent intent = new Intent(WelcomeActivity.this, MainActivity.class);
                    Bundle bundle = new Bundle();
                    bundle.putBoolean(MainActivity.LOAD_USER_INFO, true);

                    intent.putExtras(bundle);

                    startActivity(intent);
                    finish();
                }
            }
        }, 3000);

        checkToken();
    }

    private String token;
    private Object userId;

    /**
     * 如果token不存在，那么就进入登录页面
     * 否则进入主页面
     *
     */
    private void checkToken() {
        // 获取token,
        // 这里的token和userId loopback都已经存放到SharedPreferences
        SharedPreferences sp = this.getSharedPreferences(
                SHARED_PREFERENCES_NAME,
                Context.MODE_PRIVATE);

        token = sp.getString(PROPERTY_ACCESS_TOKEN, null);

        String json = sp.getString(PROPERTY_CURRENT_USER_ID, null);
        if (json == null) return;

        try {
            userId = new JSONArray(json).get(0);
        } catch (JSONException e) {
            String msg = "Cannot parse current user id '" + json + "'";
            Log.e("LoopBack", msg, e);
        }
    }

    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);

        // Trigger the initial hide() shortly after the activity has been
        // created, to briefly hint to the user that UI controls
        // are available.
        delayedHide(100);
    }

    private void toggle() {
        if (mVisible) {
            hide();
        } else {
            show();
        }
    }

    private void hide() {
        // Hide UI first
        ActionBar actionBar = getSupportActionBar();
        if (actionBar != null) {
            actionBar.hide();
        }
//        mControlsView.setVisibility(View.GONE);
        mVisible = false;

        // Schedule a runnable to remove the status and navigation bar after a delay
        mHideHandler.removeCallbacks(mShowPart2Runnable);
        mHideHandler.postDelayed(mHidePart2Runnable, UI_ANIMATION_DELAY);
    }

    @SuppressLint("InlinedApi")
    private void show() {
        // Show the system bar
        mContentView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
        mVisible = true;

        // Schedule a runnable to display UI elements after a delay
        mHideHandler.removeCallbacks(mHidePart2Runnable);
        mHideHandler.postDelayed(mShowPart2Runnable, UI_ANIMATION_DELAY);
    }

    /**
     * Schedules a call to hide() in delay milliseconds, canceling any
     * previously scheduled calls.
     */
    private void delayedHide(int delayMillis) {
        mHideHandler.removeCallbacks(mHideRunnable);
        mHideHandler.postDelayed(mHideRunnable, delayMillis);
    }
}
